Well I think the setup I have is somewhat similar. I have DirecTV plugged into the input of my Divx Player. I also have the Divx player output plugged into a VCR/DVD player-recorder which has 2 external inputs (E1 & E2). With it I can record or play from Divx or DirectTV to VHS or DVD. Also formerly had an XBox plugged into the 2nd input of the VCR/DVD player. Of course all are standard AV (RCA) jacks and the output from the VCR/DVD to the TV is standard cable (RG-59). Depending on what I wanted to do (watch/record DirecTV, watch/record Divx, watch DVD/VHS, or play XBox games), the appropriate device(s) had to be on and the appropriate E1 or E2 of the DVD/VHS enabled. It actually sounds much more complicated that it really is.

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